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Completed Phase 1Phase 2 Interventional Results available

Study of TAK-935 as an Adjunctive Therapy in Participants With Developmental and/or Epileptic Encephalopathies

ClinicalTrials.gov ID: NCT03166215

Public ClinicalTrials.gov record NCT03166215. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 4:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1b/2a Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Dose-Escalation Study With an Open-Label Part to Examine the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of TAK-935 as an Adjunctive Therapy in Subjects With Developmental and/or Epileptic Encephalopathies

Study identification

NCT ID
NCT03166215
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Takeda
Industry
Enrollment
18 participants

Conditions and interventions

Interventions

  • TAK-935 Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 16, 2017
Primary completion
Sep 18, 2018
Completion
Sep 18, 2018
Last update posted
Jan 6, 2021

2017 – 2018

United States locations

U.S. sites
11
U.S. states
10
U.S. cities
11
Facility City State ZIP Site status
Xenoscience Phoenix Arizona 85004
Medsol Clinical Research Center Port Charlotte Florida 33952
University of South Florida Tampa Florida 33606
Center for Integrative Rare Disease Research Atlanta Georgia 30318
Bluegrass Epilepsy Research Lexington Kentucky 40504
Mid-Atlantic Epilepsy and Sleep Center Bethesda Maryland 20817
The Comprehensive Epilepsy Care Center for Children and Adults St Louis Missouri 63131
Northeast Regional Epilepsy Group Hackensack New Jersey 07601
Thomas Jefferson University Philadelphia Pennsylvania 19107
Medical University of South Carolina Charleston South Carolina 29425
University of Virginia Health Sciences Center Charlottesville Virginia 22903

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03166215, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 6, 2021 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03166215 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →